Christina Aguilera will be the opening the American Music Awards this Sunday (Monday morning - Singapore time). She will perform a seven-minute medley of her greatest hits! According to US Magazine, the opening number will include "Genie in a Bottle," "Fighter", "Beautiful," "Keeps Getting Better" and "Dirrty". “We are very excited to have Christina Aguilera perform at this year’s show," Dick Clark Productions President Orly Adelson told Us in a statement. "She raises the bar with each live performance and you can expect something special at the 2008 'American Music Awards.'" Anyways, the photo above were taken while she was arriving for her rehearsal today! This is her first performance to promote her Greatest Hits. Hopefully she will bring it!!! and i love how her tee says "Baby Jane is dead!" Baby Jane is her Back to Basics alter go name! YUP! They all have that alter ego name!!! From Beyonce to Mariah Carey! This year's star-studded lineup includes: Beyonce Mariah Carey Rihanna Alicia Keys Leona Lewis Pink New Kids On The Block Kanye West Taylor Swift Pussycat Dolls Natasha Bedingflied Miley Cirus Annie Lennox The Fray It's going to be the best AMA ever... never seen so many big names for the AMAs!!! side note: Christina Aguilera and Mariah Carey will also perform at the Grammy Nomination Concert Special on Dec 3. It will be the first ever Nomination concert. Usually its just an announcement at some boring press junket.